Watershedding features for roofing shingles

ABSTRACT

A system includes a plurality of roofing shingles installed on a roof deck. Each of the roofing shingles includes first and second ends, first and second edges, a head lap, a reveal portion, a first side lap at the first end, and a second side lap at the second end. The second side lap includes a first surface, which has an adhesive. The first side lap of a first one of the roofing shingles overlays and is attached to the second side lap of a second one of the roofing shingles to form a sealed portion between the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles.

CROSS-REFERENCE TO RELATED APPLICATION

This application is a continuation of U.S. patent application Ser. No. 17/579,152, filed Jan. 19, 2022, entitled “WATERSHEDDING FEATURES FOR ROOFING SHINGLES”, which claims the benefit of U.S. Provisional Patent Application Ser. No. 63/139,005, filed Jan. 19, 2021, entitled “WATERSHEDDING FEATURES FOR ROOFING SHINGLES,” the contents of which are incorporated herein by reference in their entirety.

FIELD OF THE INVENTION

The present invention relates to roofing shingles and, more particularly, roofing shingles and photovoltaic shingles having watershedding features.

BACKGROUND OF THE INVENTION

Photovoltaic systems having solar panels are commonly installed on roofing of structures. What is needed is a photovoltaic system having features for efficient installation thereof and water shedding.

SUMMARY OF THE INVENTION

In some embodiments, a system includes a plurality of roofing shingles installed on a roof deck, wherein each of the roofing shingles includes a first end, a second end opposite the first end, a first edge extending from the first end to the second end, and a second edge opposite the first edge and extending from the first end to the second end, a head lap extending from a first location intermediate the first end and the second end to a second location intermediate the first end and the second end and extending from the first edge to a third location intermediate the first edge and the second edge, a reveal portion extending from the first location to the second location and from the second edge to the third location, a first side lap at the first end, and a second side lap at the second end, wherein the second side lap includes a first surface, wherein the first surface includes an adhesive, and wherein the first side lap of a first one of the roofing shingles overlays and is attached to the second side lap of a second one of the roofing shingles to form a sealed portion between the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles.

In some embodiments, the adhesive includes caulking. In some embodiments, the adhesive includes at least one adhesive strip. In some embodiments, the at least one adhesive strip is an adhesive tape. In some embodiments, the adhesive tape is butyl tape. In some embodiments, the at least one adhesive strip is a peel and stick film sheet. In some embodiments, the reveal portion includes at least one solar cell. In some embodiments, the head lap includes a plurality of grooves, each of which extends from a first end thereof, located proximate to the first edge and intermediate the first end of the roofing shingle and the second end of the roofing shingle, to a second end thereof, located proximate to the first location, and wherein the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles form a seam therebetween, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam. In some embodiments, the reveal portion includes a first width and each of the plurality of grooves includes a second width, and wherein the second width is 10% to 100% of the first width.

In some embodiments, the head lap includes a thickness, wherein each of the plurality of grooves includes a depth, and wherein the depth is 10% to 99% of the thickness of the head lap. In some embodiments, each of the plurality of grooves extends 0 degrees to 45 degrees relative to the seam. In some embodiments, the second side lap includes a first end and a second end opposite the first end of the second side lap, a first edge extending from the first end of the second side lap to the second end of the second side lap, a second edge opposite the first edge of the second side lap and extending from the first end of the second side lap to the second end of the second side lap, and a plurality of grooves, and wherein the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles form a seam therebetween, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam. In some embodiments, each of the plurality of grooves extends 0 degrees to 45 degrees relative to the seam.

In some embodiments, a method includes obtaining a plurality of roofing shingles, each of the roofing shingles includes a first end, a second end opposite the first end, a first edge extending from the first end to the second end, and a second edge opposite the first edge and extending from the first end to the second end, a head lap extending from a first location intermediate the first end and the second end to a second location intermediate the first end and the second end and extending from the first edge to a third location intermediate the first edge and the second edge, a reveal portion extending from the first location to the second location and from the second edge to the third location, a first side lap at the first end, and a second side lap at the second end, wherein the second side lap includes a first surface and an adhesive on the first surface; installing a first one of the plurality of roofing shingles on a roof deck; and installing a second one of the plurality of roofing shingles on the roof deck, wherein the first side lap of the second one of the roofing shingles overlays and is attached to the second side lap of the first one of the plurality of roofing shingles to form a sealed portion between the head lap of the first one of the roofing shingles and the head lap of the second one of the roofing shingles.

In some embodiments, the adhesive includes caulking. In some embodiments, the adhesive includes at least one adhesive strip. In some embodiments, the at least one adhesive strip is an adhesive tape. In some embodiments, the adhesive tape is butyl tape. In some embodiments, the at least one adhesive strip is a peel and stick film sheet. In some embodiments, the reveal portion includes at least one solar cell.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a top plan view of an embodiment of a system including a plurality of photovoltaic shingles;

FIG. 2 is a top plan view of another embodiment of a system including a plurality of photovoltaic shingles;

FIG. 3 is a side, cross-sectional view of a side lap employed by one of the photovoltaic shingles of FIG. 2 ;

FIGS. 4A and 4B is a top plan view of an embodiment of a groove pattern of a photovoltaic shingle;

FIG. 5 is a top plan view of an embodiment of a system including a plurality of photovoltaic shingles;

FIG. 6 is a top plan view of another embodiment of a system including a plurality of photovoltaic shingles;

FIG. 7 is a top plan view of another embodiment of a system including a plurality of photovoltaic shingles;

FIG. 8 is a top plan view of an embodiment of a system including a plurality of photovoltaic shingles;

FIG. 9 is a top plan view of an embodiment of a system including a plurality of photovoltaic shingles;

FIG. 10 is a top plan view of an embodiment of a system including a plurality of photovoltaic shingles;

FIG. 11 illustrates embodiments of embossing patterns of side laps employed by the photovoltaic shingles of FIGS. 9 and 10 ; and

FIGS. 12A and 12B are illustrations of embodiments of scrims employed by the photovoltaic shingles of FIGS. 9 and 10 .

DETAILED DESCRIPTION

Referring to FIGS. 1 and 2 , in some embodiments, a system 10 includes a plurality of roofing shingles 12. In some embodiments, the plurality of roofing shingles includes a first photovoltaic shingle 12 a and a second photovoltaic shingle 12 b . In some embodiments, each of the plurality of roofing shingles 12 includes a first end 14, a second end 16 opposite the first end 14, a first edge 18 extending from the first end 14 to the second end 16, and a second edge 20 opposite the first edge 18 and extending from the first end 14 to the second end 16. In some embodiments, each of the plurality of roofing shingles 12 includes a head lap 22 extending from the first end 14 to the second end 16 and from the first edge 18 to a first location 24 intermediate the first edge 18 and the second edge 20.

In some embodiments, the head lap 22 includes a surface 26 having at least one first groove 28. In some embodiments, the head lap 22 includes a plurality of the first grooves 28. In some embodiments, each of the at least one first groove 28 extends from a first end 30 thereof, located proximate to the first edge 18 and intermediate the first end 14 and the second end 16, a second end 32, located proximate to the first location 24. In some embodiments, the second end 32 of the at least one first groove 28 is located proximate to the first end 14. In another embodiment, the second end 32 of the at least one first groove 28 is located intermediate the first end 14 and a second location 34 that is approximately midway between the first end 14 and the second end 16.

In another embodiment, the head lap 22 includes at least one second groove 36. In some embodiments, the at least one second groove 36 includes a plurality of the second grooves 36. In some embodiments, each of the at least one second groove 36 extends from a first end 38 thereof, located proximate to the first edge 18 and intermediate the first end 14 and the second end 16, and a second end 40, located proximate to the first location 24. In some embodiments, the second end 40 of the at least one second groove 36 is located proximate to the second end 16. In another embodiment, the second end 40 of the at least one second groove 36 is located intermediate the second end 16 and the second location 34.

In some embodiments, each of the roofing shingles 12 includes a reveal portion 42 extending from the first end 14 to the second end 16 and from the second edge 20 to the first location 24. In some embodiments, the reveal portion 42 is located adjacent to the head lap 22. In some embodiments, the reveal portion 42 includes at least one solar cell 44. In some embodiments, the at least one solar cell 44 includes a plurality of the solar cells 44. In some embodiments, the reveal portion 42 includes a first layer and a second layer overlaying the first layer. In some embodiments, the second layer includes the at least one solar cell. In some embodiments, the first layer and the second layer are laminated. In some embodiments, the second layer is ultrasonically welded to the first layer. In some embodiments, the second layer is heat welded to the first layer. In some embodiments, the second layer is thermally bonded to the first layer.

In some embodiments, the reveal portion 42 includes a width W1. In some embodiments, the at least one first groove 28 includes a total width W2 (i.e., the width extending from the first outer at least one first groove 28 to the last outer at least one first groove 28). In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 70% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 60% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 50% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 40% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 30% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 10% to 20% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 70% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 60% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 50% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 40% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 20% to 30% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 70% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 60% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 50% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 30% to 40% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 70% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 60% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 40% to 50% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 50% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 50% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 50% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 50% to 70% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 50% to 60% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 60% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 60% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 60% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 60% to 70% of the width W1 of the reveal portion 42.

In some embodiments, the total width W2 of the at least one first groove 28 is 70% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 70% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 70% to 80% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 80% to 100% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 80% to 90% of the width W1 of the reveal portion 42. In some embodiments, the total width W2 of the at least one first groove 28 is 90% to 100% of the width W1 of the reveal portion 42.

In some embodiments, the at least one second groove 36 includes a total width W3 (i.e., the width extending from the first outer at least one second groove 36 to the last outer at least one second groove 36). In some embodiments, the total width W3 of the at least one second groove 36 is 10% to 100% of the width W1 of the reveal portion 42. In some embodiments, the same ranges provided above with respect to the total width W2 of the at least one first groove 28 is applicable to the total width W3 of the at least one second groove 36.

Referring to FIG. 3 , in some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 3 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 2.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 2 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 1.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 1 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm to 0.5 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 3 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 2.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 2 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 1.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm to 1 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 3 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 2.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 2 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm to 1.5 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 3 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 2.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm to 2 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 3 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm to 2.5 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm to 3.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm to 3 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3 mm to 4 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3 mm to 3.5 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3.5 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3.5 mm to 4.5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3.5 mm to 4 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 4 mm to 5 mm. In another embodiment, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 4 mm to 4.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 4.5 mm to 5 mm.

In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.1 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 0.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 1.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 2.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 3.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 4 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 4.5 mm. In some embodiments, the head lap 22 of each of the roofing shingles 12 includes a thickness X of 5 mm.

In some embodiments, each of the at least one first groove 28 and the at least one second groove 36 includes a depth Y. In some embodiments, the depth Y is calculated by the following formula:

Y=a*X

where X is the thickness X of the head lap 22 and “a” is 0.1 to 0.99.

In some embodiments, the depth Y is 0.01 mm to 4 mm. In some embodiments, the depth Y is 0.01 mm to 3.5 mm. In some embodiments, the depth Y is 0.01 mm to 3 mm. In some embodiments, the depth Y is 0.01 mm to 2.5 mm. In some embodiments, the depth Y is 0.01 mm to 2 mm. In some embodiments, the depth Y is 0.01 mm to 1.5 mm. In some embodiments, the depth Y is 0.01 mm to 1 mm. In some embodiments, the depth Y is 0.01 mm to 0.5 mm. In some embodiments, the depth Y is 0.5 mm to 4 mm. In some embodiments, the depth Y is 0.5 mm to 3.5 mm. In some embodiments, the depth Y is 0.5 mm to 3 mm. In some embodiments, the depth Y is 0.5 mm to 2.5 mm. In some embodiments, the depth Y is 0.5 mm to 2 mm. In some embodiments, the depth Y is 0.5 mm to 1.5 mm. In some embodiments, the depth Y is 0.5 mm to 1 mm.

In some embodiments, the depth Y is 1 mm to 4 mm. In some embodiments, the depth Y is 1 mm to 3.5 mm. In some embodiments, the depth Y is 1 mm to 3 mm. In some embodiments, the depth Y is 1 mm to 2.5 mm. In some embodiments, the depth Y is 1 mm to 2 mm. In some embodiments, the depth Y is 1 mm to 1.5 mm. In some embodiments, the depth Y is 1.5 mm to 4 mm. In some embodiments, the depth Y is 1.5 mm to 3.5 mm. In some embodiments, the depth Y is 1.5 mm to 3 mm. In some embodiments, the depth Y is 1.5 mm to 2.5 mm. In some embodiments, the depth Y is 1.5 mm to 2 mm. In some embodiments, the depth Y is 2 mm to 4 mm. In some embodiments, the depth Y is 2 mm to 3.5 mm. In some embodiments, the depth Y is 2 mm to 3 mm. In some embodiments, the depth Y is 2 mm to 2.5 mm. In some embodiments, the depth Y is 2.5 mm to 4 mm. In some embodiments, the depth Y is 2.5 mm to 3.5 mm. In some embodiments, the depth Y is 2.5 mm to 3 mm. In some embodiments, the depth Y is 3 mm to 4 mm. In some embodiments, the depth Y is 3 mm to 3.5 mm. In some embodiments, the depth Y is 3.5 mm to 4 mm.

In some embodiments, the depth Y is 0.01 mm. In some embodiments, the depth Y is 0.5 mm. In some embodiments, the depth Y is 1 mm. In some embodiments, the depth Y is 1.5 mm. In some embodiments, the depth Y is 2 mm. In some embodiments, the depth Y is 2.5 mm. In some embodiments, the depth Y is 3 mm. In some embodiments, the depth Y is 3.5 mm. In some embodiments, the depth Y is 4 mm.

In some embodiments, each of the at least one first groove 28 and the at least one second groove 36 includes a width D1. In some embodiments, the width D1 is from 2 mm to 9 mm. In another embodiment, the width D1 is from 2 mm to 8 mm. In another embodiment, the width D1 is from 2 mm to 7 mm. In another embodiment, the width D1 is from 2 mm to 6 mm. In another embodiment, the width D1 is from 2 mm to 5 mm. In another embodiment, the width D1 is from 2 mm to 4 mm. In another embodiment, the width D1 is from 2 mm to 3 mm. In some embodiments, the width D1 is from 3 mm to 9 mm. In another embodiment, the width D1 is from 3 mm to 8 mm. In another embodiment, the width D1 is from 3 mm to 7 mm. In another embodiment, the width D1 is from 3 mm to 6 mm. In another embodiment, the width D1 is from 3 mm to 5 mm. In another embodiment, the width D1 is from 3 mm to 4 mm.

In some embodiments, the width D1 is from 4 mm to 9 mm. In another embodiment, the width D1 is from 4 mm to 8 mm. In another embodiment, the width D1 is from 4 mm to 7 mm. In another embodiment, the width Dl is from 4 mm to 6 mm. In another embodiment, the width D1 is from 4 mm to 5 mm. In some embodiments, the width D1 is from 5 mm to 9 mm. In another embodiment, the width D1 is from 5 mm to 8 mm. In another embodiment, the width D1 is from 5 mm to 7 mm. In another embodiment, the width D1 is from 5 mm to 6 mm. In some embodiments, the width D1 is from 6 mm to 9 mm. In another embodiment, the width D1 is from 6 mm to 8 mm. In another embodiment, the width D1 is from 6 mm to 7 mm. In some embodiments, the width D1 is from 7 mm to 9 mm. In another embodiment, the width D1 is from 7 mm to 8 mm. In some embodiments, the width D1 is from 8 mm to 9 mm.

In some embodiments, the width D1 is 2 mm. In some embodiments, the width D1 is 3 mm. In some embodiments, the width D1 is 4 mm. In some embodiments, the width D1 is 5 mm. In some embodiments, the width D1 is 6 mm. In some embodiments, the width D1 is 7 mm. In some embodiments, the width D1 is 8 mm. In some embodiments, the width D1 is 9 mm.

In some embodiments, each of the at least one first groove 28 and the at least one second groove 36 is formed by and located intermediate a corresponding pair of groove walls 48. In some embodiments, each of the groove walls 48 includes a width D2. In some embodiments, the width D2 is calculated by the following formula:

D2=b*D1

where D1 is the width D1 and “b” is 0.1 to 1. In some embodiments, the width D2 is 0.5 mm to 5 mm. In another embodiment, the width D2 is 0.5 mm to 4.5 mm. In another embodiment, the width D2 is 0.5 mm to 4 mm. In another embodiment, the width D2 is 0.5 mm to 3.5 mm. In another embodiment, the width D2 is 0.5 mm to 3 mm. In another embodiment, the width D2 is 0.5 mm to 2.5 mm. In another embodiment, the width D2 is 0.5 mm to 2 mm. In another embodiment, the width D2 is 0.5 mm to 1.5 mm. In another embodiment, the width D2 is 0.5 mm to 1 mm. In some embodiments, the width D2 is 1 mm to 5 mm. In another embodiment, the width D2 is 1 mm to 4.5 mm. In another embodiment, the width D2 is 1 mm to 4 mm. In another embodiment, the width D2 is 1 mm to 3.5 mm. In another embodiment, the width D2 is 1 mm to 3 mm. In another embodiment, the width D2 is 1 mm to 2.5 mm. In another embodiment, the width D2 is 1 mm to 2 mm. In another embodiment, the width D2 is 1 mm to 1.5 mm.

In some embodiments, the width D2 is 1.5 mm to 5 mm. In another embodiment, the width D2 is 1.5 mm to 4.5 mm. In another embodiment, the width D2 is 1.5 mm to 4 mm. In another embodiment, the width D2 is 1.5 mm to 3.5 mm. In another embodiment, the width D2 is 1.5 mm to 3 mm. In another embodiment, the width D2 is 1.5 mm to 2.5 mm. In another embodiment, the width D2 is 1.5 mm to 2 mm. In some embodiments, the width D2 is 2 mm to 5 mm. In another embodiment, the width D2 is 2 mm to 4.5 mm. In another embodiment, the width D2 is 2 mm to 4 mm. In another embodiment, the width D2 is 2 mm to 3.5 mm. In another embodiment, the width D2 is 2 mm to 3 mm. In another embodiment, the width D2 is 2 mm to 2.5 mm.

In some embodiments, the width D2 is 2.5 mm to 5 mm. In another embodiment, the width D2 is 2.5 mm to 4.5 mm. In another embodiment, the width D2 is 2.5 mm to 4 mm. In another embodiment, the width D2 is 2.5 mm to 3.5 mm. In another embodiment, the width D2 is 2.5 mm to 3 mm. In some embodiments, the width D2 is 3 mm to 5 mm. In another embodiment, the width D2 is 3 mm to 4.5 mm. In another embodiment, the width D2 is 3 mm to 4 mm. In another embodiment, the width D2 is 3 mm to 3.5 mm. In some embodiments, the width D2 is 3.5 mm to 5 mm. In another embodiment, the width D2 is 3.5 mm to 4.5 mm. In another embodiment, the width D2 is 3.5 mm to 4 mm. In some embodiments, the width D2 is 4 mm to 5 mm. In another embodiment, the width D2 is 4 mm to 4.5 mm. In some embodiments, the width D2 is 4.5 mm to 5 mm.

In some embodiments, the width D2 is 0.5 mm. In some embodiments, the width D2 is 1 mm. In some embodiments, the width D2 is 1.5 mm. In some embodiments, the width D2 is 2 mm. In some embodiments, the width D2 is 2.5 mm. In some embodiments, the width D2 is 3 mm. In some embodiments, the width D2 is 3.5 mm. In some embodiments, the width D2 is 4 mm. In some embodiments, the width D2 is 4.5 mm. In some embodiments, the width D2 is 5 mm.

In some embodiments, each of the roofing shingles 12 is composed of a polymer. In some embodiments, each of the roofing shingles 12 includes thermoplastic polyolefin (TPO). In other embodiments, each of the photovoltaic shingles includes polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyetheretherketone (PEEK), polyaryletherketone (PAEK), polyarylate (PAR), polyetherimide (PEI), polyarylsulfone (PAS), polyethersulfone (PES), polyamideimide (PAI), or polyimide; polyvinyl chloride (PVC); ethylene propylene diene monomer (EPDM) rubber; silicone rubber; fluoropolymers—ethylene tetrafluoroethylene (ETFE), polyvinylidene fluoride (PVDF), tetrafluoroethylene-hexafluoropropylene copolymers (FEP), and tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride copolymers (THV), or blends thereof.

Referring back to FIGS. 1 and 2 , in some embodiments, the first end 14 of the second photovoltaic shingle 12 b is adjacent to the second end 16 of the first photovoltaic shingle 12 a . In some embodiments, the head lap 22 of the first photovoltaic shingle 12 a and the head lap 22 of the second photovoltaic shingle 12 b form a seam 46 therebetween. In some embodiments, a third photovoltaic shingle 12 c overlays the first photovoltaic shingle 12 a and the second photovoltaic shingle 12 b.

In some embodiments, a longitudinal axis X-X of the at least one first groove 28 does not intersect a longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 45 degrees relative to the longitudinal axis Y-Y of seam 46 (see FIG. 1 ). In another embodiment, the at least one first groove 28 extends approximately 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends zero (0) degrees relative to the longitudinal axis Y-Y of seam 46 (see FIG. 2 ). In another embodiment, the at least one first groove 28 extends approximately zero (0) degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends zero (0) degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 10 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends zero (0) degrees to 5 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 5 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 5 degrees to 10 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 10 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 10 degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 15 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 15 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 15 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 15 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 15 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 15 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 20 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 20 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 20 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 20 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 20 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 25 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 25 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 25 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 25 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 46.

In another embodiment, the at least one first groove 28 extends 30 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 30 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 30 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 35 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 35 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 46. In another embodiment, the at least one first groove 28 extends 40 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 46.

In some embodiments, the at least one first groove 28 extends 5 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 10 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 15 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 20 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 25 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 30 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 35 degrees relative to the longitudinal axis Y-Y of the seam 46. In some embodiments, the at least one first groove 28 extends 40 degrees relative to the longitudinal axis Y-Y of the seam 46.

In some embodiments, each of the at least one first groove 28 is configured to shed and redirect water away from the seam 46. It should be understood that the foregoing features and positioning would apply to the at least one second groove 36 with the addition of one of the roofing shingles 12 positioned adjacent to the second end 16 of the second photovoltaic shingle 12 b and forming a second seam.

In some embodiments, the roofing shingles 12 are installed to a roof deck. In some embodiments, each of the roofing shingles 12 is installed on the roof deck by a plurality of fasteners. In some embodiments, the plurality of fasteners are installed through the head lap 22. In some embodiments, the plurality of fasteners includes a plurality of nails. In another embodiment, each of the roofing shingles 12 is installed on the roof deck by an adhesive. In some embodiments, the reveal portion 42 of the roofing shingle 12 overlays the head lap 22 of at least another one of the roofing shingles 12.

FIGS. 4A and 4B show an embodiment of a jig 50 for making the roofing shingles 12. In some embodiments, the jig 50 includes a groove pattern 52 for the at least one first groove 28 and the at least one second groove 36. In some embodiments, the groove pattern 52 includes a cut-out section 54 for at least one nailing zone 56. In some embodiments, the groove pattern 52 includes a section 58 for placement of an electrical component, such as but not limited to a junction box, and a section 60 for placement of the at least one solar module.

Referring to FIGS. 5 and 6 , in some embodiments, a system 110 includes a plurality of roofing shingles 112. In some embodiments, the plurality of roofing shingles 112 includes a first photovoltaic shingle 112 a and a second photovoltaic shingle 112 b . In some embodiments, each of the plurality of roofing shingles 112 includes a first end 114, a second end 116 opposite the first end 114, a first edge 118 extending from the first end 114 to the second end 116, and a second edge 120 opposite the first edge 118 and extending from the first end 114 to the second end 116. In some embodiments, each of the plurality of roofing shingles 112 includes a head lap 122. In some embodiments, the head lap 122 extends from the first end 114 to a first location 123 intermediate the first end and 114 the second end 116 and extending from the first edge 118 to a second location 124 intermediate the first edge 118 and the second edge 120.

In some embodiments, each of the roofing shingles 112 includes a reveal portion 142. In some embodiments, the reveal portion 142 extends from the first end 114 to the first location 123 and from the second edge 120 to the second location 124. In some embodiments, the reveal portion 142 is located adjacent to the head lap 122. In some embodiments, the reveal portion 142 includes at least one solar cell 144. In some embodiments, the at least one solar cell 144 includes a plurality of the solar cells 144.

In some embodiments, each of the roofing shingles 112 includes a side lap 145. In some embodiments, the side lap 145 is located at the second end 116. In another embodiment, the side lap 145 is located at the first end 114. In some embodiments, the side lap 145 includes a first end 147 and a second end 149 opposite the first end 147, a first edge 151 extending from the first end 147 to the second end 149, and a second edge 153 opposite the first edge 151 and extending from the first end 147 to the second end 149.

In some embodiments, the side lap 145 is square in shape. In another embodiment, the side lap 145 is rectangular in shape. In other embodiments, the side lap 145 includes other suitable shapes and sizes.

In some embodiments, the reveal portion 142 includes a width W1. In some embodiments, the side lap 145 includes a width W2.

In some embodiments, the width W2 of the side lap 145 is 5% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 50% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 40% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 30% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 20% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 5% to 10% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 10% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 50% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 40% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 30% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% to 20% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 20% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 50% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 40% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% to 30% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 30% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 50% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% to 40% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 40% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% to 50% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 50% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% to 60% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 60% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% to 70% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 70% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% to 80% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 80% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% to 90% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 90% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% to 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% to 100% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 100% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 100% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 100% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 100% to 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 100% to 110% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 110% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 110% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 110% to 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 110% to 120% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 120% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 120% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 120% to 130% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 130% to 150% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 130% to 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 140% to 150% of the width W1 of the reveal portion 142.

In some embodiments, the width W2 of the side lap 145 is 5% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 10% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 20% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 30% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 40% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 50% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 60% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 70% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 80% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 90% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 100% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 110% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 120% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 130% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 140% of the width W1 of the reveal portion 142. In some embodiments, the width W2 of the side lap 145 is 150% of the width W1 of the reveal portion 142.

In some embodiments, the side lap 145 includes at least one groove 128. In some embodiments, the at least one groove 128 includes a plurality of the grooves 128. In some embodiments, each of the at least one groove 128 extends from a first end 130 thereof, located proximate to the second end 149 and intermediate the first edge 151 and the second edge 153, a second end 132, located proximate to the first location 123. In some embodiments, the at least one groove 128 includes a size, shape, structure and function similar to those of the at least one first groove 28 and the at least one second groove 36 of the roofing shingles 12.

In some embodiments, each of the roofing shingles 112 is composed of a polymer. In some embodiments, each of the roofing shingles 112 includes thermoplastic polyolefin (TPO). In other embodiments, each of the photovoltaic shingles includes polyethylene terephthalate (PET), polyethylene naphthalate (PEN), polyetheretherketone (PEEK), polyaryletherketone (PAEK), polyarylate (PAR), polyetherimide (PEI), polyarylsulfone (PAS), polyethersulfone (PES), polyamideimide (PAI), or polyimide; polyvinyl chloride (PVC); ethylene propylene diene monomer (EPDM) rubber; silicone rubber; fluoropolymers—ethylene tetrafluoroethylene (ETFE), polyvinyldene fluoride (PVDF), tetrafluoroethylene-hexafluoropropylene copolymers (FEP), and tetrafluoroethylene-hexafluoropropylene-vinylidene fluoride copolymers (THV), or blends thereof.

Still referring to FIGS. 5 and 6 , in some embodiments, the first end 114 of the second photovoltaic shingle 112 b overlays the side lap 145 of the first photovoltaic shingles 112 a . In some embodiments, the head lap 122 of the first photovoltaic shingle 112 a and the head lap 122 of the second photovoltaic shingle 112 b form a seam 146 therebetween.

In some embodiments, a longitudinal axis X-X of the at least one groove 128 does not intersect a longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one groove 128 extends 45 degrees relative to the longitudinal axis Y-Y of seam 146 (see FIG. 5 ). In another embodiment, the at least one groove 128 extends approximately 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one groove 128 extends zero (0) degrees relative to the longitudinal axis of seam 146 (see FIG. 6 ). In another embodiment, the at least one groove 128 extends approximately zero (0) degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one groove 128 extends zero (0) degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 10 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends zero (0) degrees to 5 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 5 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 5 degrees to 10 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 10 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 10 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 10 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 10 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 10 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 10 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 10 degrees to 15 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 15 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 15 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 15 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 15 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 15 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 15 degrees to 20 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 20 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 20 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 20 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 20 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 20 degrees to 25 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 25 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 25 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 25 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 25 degrees to 30 degrees relative to the longitudinal axis Y-Y of the seam 146.

In another embodiment, the at least one first groove 128 extends 30 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 30 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 30 degrees to 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 35 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 35 degrees to 40 degrees relative to the longitudinal axis Y-Y of the seam 146. In another embodiment, the at least one first groove 128 extends 40 degrees to 45 degrees relative to the longitudinal axis Y-Y of the seam 146.

In some embodiments, the at least one first groove 128 extends 5 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 10 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 15 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 20 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 25 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 30 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 35 degrees relative to the longitudinal axis Y-Y of the seam 146. In some embodiments, the at least one first groove 128 extends 40 degrees relative to the longitudinal axis Y-Y of the seam 146.

In some embodiments, each of the at least one groove 128 is configured to shed and redirect water away from the seam 146.

Referring to FIG. 7 , in some embodiments, a system 210 includes a plurality of roofing shingles 212. In some embodiments, the plurality of roofing shingles 212 includes a first photovoltaic shingle 212 a and a second photovoltaic shingle 212 b . In some embodiments, the roofing shingles 212 include a similar structure and function as the roofing shingles 112, except as provided as follows.

In some embodiments, each of the roofing shingles 212 includes a reveal portion 242, a first side lap 245 and a second side lap 255. In some embodiments, the first side lap 245 is located at a second end 216 and the second side lap 255 is located at the first end 214. In another embodiment, the first side lap 245 is located at the first end 214 and the second side lap 255 is located at the second end 216.

In some embodiments, the first side lap 245 includes a surface 226 having an adhesive 257. In some embodiments, a portion of the surface 226 includes the adhesive 257. In some embodiments, the adhesive 257 is a low-VOC bonding adhesive such as EverGuard® WB181 Bonding Adhesive manufactured by GAF®. In another embodiment, the adhesive 257 includes caulking. In another embodiment, the surface 226 of the first side lap 245 includes at least one adhesive strip 259 (see FIG. 8 ). In some embodiments, the at least one adhesive strip 259 includes a plurality of the adhesive strips 259. In some embodiments, the at least one adhesive strip 259 is an adhesive tape. In some embodiments, the adhesive tape is butyl tape. In some embodiments, at least one sheet of film is removably attached to the surface. In some embodiments, the film is a peel and stick film sheet. In some embodiments, the film is composed of EverGuard® Freedom HW peel and stick membrane manufactured by GAF®.

In some embodiments, the reveal portion 242 includes a width W1. In some embodiments, the first side lap 245 includes a width W2.

In some embodiments, the width W2 of the first side lap 245 is 5% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 20% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 5% to 10% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 10% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% to 20% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 20% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% to 30% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 30% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% to 40% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 40% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% to 50% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 50% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% to 60% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 60% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% to 70% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 70% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% to 80% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 80% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% to 90% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 90% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% to 100% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 100% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 100% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 100% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 100% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 100% to 110% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 110% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 110% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 110% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 110% to 120% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 120% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 120% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 120% to 130% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 130% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 130% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 140% to 150% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the first side lap 245 is 5% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 10% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 20% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the first side lap 245 is 150% of the width W1 of the reveal portion 242.

In some embodiments, the width W3 of the second side lap 255 is 5% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 20% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 5% to 10% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 10% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% to 20% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 20% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% to 30% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 30% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% to 40% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 40% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% to 50% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 50% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% to 60% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 60% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% to 70% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 70% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% to 80% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 80% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% to 90% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 90% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% to 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% to 100% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 100% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 100% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 100% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 100% to 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 100% to 110% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 110% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 110% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 110% to 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 110% to 120% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 120% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 120% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 120% to 130% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 130% to 150% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 130% to 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 140% to 150% of the width W1 of the reveal portion 242.

In some embodiments, the width W2 of the second side lap 255 is 5% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 10% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 20% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 30% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 40% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 50% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 60% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 70% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 80% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 90% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 100% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 110% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 120% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 130% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 140% of the width W1 of the reveal portion 242. In some embodiments, the width W2 of the second side lap 255 is 150% of the width W1 of the reveal portion 242.

Still referring to FIGS. 7 and 8 , in some embodiments, the first end 214 of the second photovoltaic shingle 212 b overlays the first side lap 245 of the first photovoltaic shingle 212 a . In some embodiments, the first end 214 of the second photovoltaic shingle 212 b is adhered to the first side lap 245 of the first photovoltaic shingle 212 a . In some embodiments, a head lap 222 of the first photovoltaic shingle 212 a and a head lap 222 of the second photovoltaic shingle 212 b form a sealed portion 243 with a seam 246 therebetween. In some embodiments, the overlayment and adherence of the second photovoltaic shingle 212 b over the first photovoltaic shingle 212 a is configured to shed and redirect water away from the seam 246. In some embodiments, the width of the overlay of the first end 214 of the second photovoltaic shingle 212 b over the first side lap 245 of the first photovoltaic shingle 212 a is from approximately equal to the width W3 of the second side lap 255 to approximately equal to the width W2 of the first side lap 245.

Referring to FIG. 9 , in some embodiments, a system 310 includes a plurality of roofing shingles 312. In some embodiments, the plurality of roofing shingles 312 includes a first photovoltaic shingle 312 a and a second photovoltaic shingle 312 b . In some embodiments, the roofing shingles 312 include a similar structure and function as the roofing shingles 12, except as provided as follows.

In some embodiments, each of the roofing shingles 312 includes a head lap 322 having a textured surface 333. In some embodiments, the textured surface 333 includes a plurality of raised surfaces. In some embodiments, the textured surface 333 includes a plurality of embossments. In some embodiments, the plurality of raised surfaces are formed in a pattern. In some embodiments, the pattern is selected from, but not limited to, one or more of patterns 350 shown in FIG. 11 .

In some embodiments, the textured surface 333 includes a surface roughness (Ra) equal to or less than the surface roughness of a head lap area of an asphalt shingle. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 14 microns.

In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 7 microns.

In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 6 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 5 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 4 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 3 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 1 micron to 2 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 7 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 6 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 5 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 4 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 2 microns to 3 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 7 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 6 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 5 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 3 microns to 4 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 7 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 6 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 4 microns to 5 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 7 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 5 microns to 6 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 8 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 6 microns to 7 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 9 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 7 microns to 8 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 10 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 8 microns to 9 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 11 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 9 microns to 10 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 10 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 10 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 10 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 10 microns to 12 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 10 microns to 11 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 11 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 11 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 11 microns to 13 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 11 microns to 12 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 12 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 12 microns to 14 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 12 microns to 13 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 13 microns to 15 microns. In another embodiment, the textured surface 333 includes a surface roughness (Ra) of 13 microns to 14 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 14 microns to 15 microns.

In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 1 micron. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 2 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 3 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 4 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 5 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 6 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 7 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 8 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 9 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 10 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 11 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 12 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 13 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 14 microns. In some embodiments, the textured surface 333 includes a surface roughness (Ra) of 15 microns.

In some embodiments, a first end 314 of the second photovoltaic shingle 312 b is adjacent to a second end 316 of the first photovoltaic shingle 312 a . In some embodiments, the head lap 322 of the first photovoltaic shingle 312 a and the head lap 322 of the second photovoltaic shingle 312 b form a seam 346 therebetween. In some embodiments, a third photovoltaic shingle 312 c overlays the first photovoltaic shingle 312 a and the second photovoltaic shingle 312 b . In some embodiments, the textured surface 333 is configured to shed and inhibit water from entering the seam 346.

In another embodiment, textured surface 433 of the head lap 322 includes a scrim. In some embodiments, the scrim is composed of a sheet of mesh material, such as, but not limited to, the mesh materials 575, 577 shown in FIGS. 12A and 12B. In some embodiments, the scrim is composed of a sheet of mesh material. In some embodiments, the scrim includes fiberglass mesh. In some embodiments, the scrim includes a carbon fiber composite. In another embodiment, the scrim include a polymer. In some embodiments, the scrim includes a textile material. In some embodiments, the scrim is laminated with the head lap 322. In another embodiment, the scrim is attached to the head lap 322 by an adhesive. In another embodiment, the scrim is thermally bonded to the head lap 322. In another embodiment, the scrim is located on a second surface opposite the textured surface 333. In some embodiments, the scrim is configured to prevent water from wicking between overlapping and/or adjacent ones of the roofing shingles 312. In another embodiment, the head lap 322 includes a scrim located on a surface thereof.

Referring to FIG. 10 , in some embodiments, a system 410 includes a plurality of roofing shingles 412. In some embodiments, the plurality of roofing shingles 412 includes a first photovoltaic shingle 412 a and a second photovoltaic shingle 412 b . In some embodiments, the roofing shingles 412 include a similar structure and function as the roofing shingles 112, except as provided as follows.

In some embodiments, each of the roofing shingles 412 includes a side lap 425 located at a second end 416 thereof. In some embodiments, the side lap 425 includes a textured surface 433. In some embodiments, the textured surface 433 includes a plurality of raised surfaces. In some embodiments, the textured surface 433 includes a plurality of embossments. In some embodiments, the plurality of raised surfaces is formed in a pattern. In some embodiments, the pattern is selected from, but not limited to, one or more of patterns 350 shown in FIG. 11 .

In some embodiments, the textured surface 433 includes a surface roughness (Ra) equal to or less than the surface roughness of the head lap area of an asphalt shingle. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 14 microns.

In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 7 microns.

In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 6 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 5 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 4 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 3 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 1 micron to 2 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 7 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 6 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 5 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 4 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 2 microns to 3 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 7 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 6 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 5 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 3 microns to 4 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 7 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 6 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 4 microns to 5 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 7 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 5 microns to 6 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 8 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 6 microns to 7 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 9 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 7 microns to 8 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 10 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 8 microns to 9 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 11 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 9 microns to 10 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 10 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 10 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 10 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 10 microns to 12 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 10 microns to 11 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 11 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 11 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 11 microns to 13 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 11 microns to 12 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 12 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 12 microns to 14 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 12 microns to 13 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 13 microns to 15 microns. In another embodiment, the textured surface 433 includes a surface roughness (Ra) of 13 microns to 14 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 14 microns to 15 microns.

In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 1 micron. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 2 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 3 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 4 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 5 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 6 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 7 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 8 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 9 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 10 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 11 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 12 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 13 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 14 microns. In some embodiments, the textured surface 433 includes a surface roughness (Ra) of 15 microns.

In some embodiments, a the first end 414 of the second photovoltaic shingle 412 b overlays the side lap 425 of the first photovoltaic shingle 412 a . In some embodiments, the head lap 422 of the first photovoltaic shingle 412 a and the head lap 422 of the second photovoltaic shingle 412 b form a seam 446 therebetween. In some embodiments, the textured surface 433 is configured to shed and inhibit water from entering the seam 446.

In another embodiment, the textured surface 433 of the side lap 425 includes a scrim. In some embodiments, the scrim is composed of a sheet of mesh material, such as, but not limited to, the mesh materials 575, 577 shown in FIGS. 12A and 12B. In some embodiments, the scrim includes fiberglass mesh. In some embodiments, the scrim includes a carbon fiber composite. In another embodiment, the scrim includes a polymer. In some embodiments, the scrim includes a textile material. In some embodiments, the scrim is laminated with the side lap 425. In another embodiment, the scrim is attached to the side lap 425 by an adhesive. In another embodiment, the scrim is thermally bonded to the side lap 425. In another embodiment, the scrim is located on a second surface opposite the textured surface 433. In some embodiments, the scrim is configured to prevent water from wicking between overlapping and/or adjacent ones of the roofing shingles 412. In another embodiment, the head lap 422 includes a scrim located on a surface thereof.

It should be understood that the embodiments described herein are merely exemplary and that a person skilled in the art may make many variations and modifications without departing from the spirit and scope of the invention. All such variations and modifications are intended to be included within the scope of the invention. 

What is claimed is:
 1. A system, comprising: a plurality of roofing shingles installed on a roof deck, wherein each of the plurality of roofing shingles includes a first end, a second end opposite the first end, and a first edge extending from the first end to the second end, a head lap extending from a first location between the first end and the second end to a second location between the first end and the second end, a reveal portion extending from the first location to the second location, a first side lap, wherein the first side lap extends from the first end to the first location, and a second side lap, wherein the second side lap extends from the second end to the second location, wherein the first side lap includes a first surface, wherein at least a portion of the first surface includes an adhesive, and wherein the second side lap of a first one of the plurality of roofing shingles overlays and is attached to the first side lap of a second one of the plurality of roofing shingles.
 2. The system of claim 1, wherein the adhesive includes caulking.
 3. The system of claim 1, wherein the adhesive includes at least one adhesive strip.
 4. The system of claim 3, wherein the at least one adhesive strip is an adhesive tape.
 5. The system of claim 4, wherein the adhesive tape is butyl tape.
 6. The system of claim 3, wherein the at least one adhesive strip is a peel and stick film sheet.
 1. tem of claim 1, wherein the reveal portion includes at least one solar cell.
 8. The system of claim 1, wherein the head lap of each of the plurality of roofing shingles includes a plurality of grooves, each of which extends from a first end thereof, located proximate to the first edge and between the first end of a corresponding one of the plurality of roofing shingles and the second end of the corresponding one of the plurality of roofing shingles, to a second end thereof, located proximate to the first location, and wherein the head lap of the first one of the plurality of roofing shingles and the head lap of the second one of the plurality of roofing shingles form a seam therebetween, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam.
 9. The system of claim 8, wherein each of the plurality of grooves extends 0 degrees to 45 degrees relative to the seam.
 10. The system of claim 1, wherein the second side lap includes a first end and a second end opposite the first end of the second side lap, a first edge extending from the first end of the second side lap to the second end of the second side lap, a second edge opposite the first edge of the second side lap and extending from the first end of the second side lap to the second end of the second side lap, and a plurality of grooves, and wherein the head lap of the first one of the plurality of roofing shingles and the head lap of the second one of the plurality of roofing shingles form a seam therebetween, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam.
 11. The system of claim 10, wherein each of the plurality of grooves extends 0 degrees to 45 degrees relative to the seam.
 12. A method, comprising: obtaining a plurality of roofing shingles, each of the plurality of roofing shingles includes a first end and a second end opposite the first end, a head lap extending from a first location between the first end and the second end to a second location between the first end and the second end, a reveal portion extending from the first location to the second location, a first side lap, wherein the first side lap extends from the first end to the first location, and a second side lap, wherein the second side lap extends from the second end to the second location, wherein the first side lap includes a first surface and an adhesive on at least a portion of the first surface; installing a first one of the plurality of roofing shingles on a roof deck; and installing a second one of the plurality of roofing shingles on the roof deck, wherein the second side lap of the second one of the plurality of roofing shingles overlays and is attached to the first side lap of the first one of the plurality of roofing shingles.
 13. The method of claim 12, wherein the adhesive includes caulking.
 14. The method of claim 12, wherein the adhesive includes at least one adhesive strip.
 15. The method of claim 14, wherein the at least one adhesive strip is an adhesive tape.
 16. The method of claim 15, wherein the adhesive tape is butyl tape.
 17. The method of claim 14, wherein the at least one adhesive strip is a peel and stick film sheet.
 18. The method of claim 12, wherein the reveal portion includes at least one solar cell.
 19. A system, comprising: a plurality of roofing shingles installed on a roof deck, wherein each of the plurality of roofing shingles includes a first end, a second end opposite the first end, and a first edge extending from the first end to the second end, a head lap extending from a first location between the first end and the second end to a second location between the first end and the second end, wherein the head lap of each of the plurality of roofing shingles includes a plurality of grooves, each of which extends from a first end thereof, located proximate to the first edge and between the first end of a corresponding one of the plurality of roofing shingles and the second end of the corresponding one of the plurality of roofing shingles, to a second end thereof, located proximate to the first location, a reveal portion extending from the first location to the second location, wherein the reveal portion includes a first width, wherein each of the plurality of grooves includes a second width, wherein the second width is 10% to 100% of the first width, a first side lap at the first end, and a second side lap at the second end, wherein the second side lap of a first one of the plurality of roofing shingles overlays and is attached to the first side lap of a second one of the plurality of roofing shingles, wherein a seam is located between the head lap of the first one of the plurality of roofing shingles and the head lap of the second one of the plurality of roofing shingles, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam.
 20. A system, comprising: a plurality of roofing shingles installed on a roof deck, wherein each of the plurality of roofing shingles includes a first end, a second end opposite the first end, and a first edge extending from the first end to the second end, a head lap extending from a first location between the first end and the second end to a second location between the first end and the second end, wherein the head lap of each of the plurality of roofing shingles includes a plurality of grooves, each of which extends from a first end thereof, located proximate to the first edge and between the first end of a corresponding one of the plurality of roofing shingles and the second end of the corresponding one of the plurality of roofing shingles, to a second end thereof, located proximate to the first location, wherein the head lap includes a thickness, wherein each of the plurality of grooves includes a depth, and wherein the depth is 10% to 99% of the thickness of the head lap, a first side lap at the first end, and a second side lap at the second end, wherein the second side lap of a first one of the plurality of roofing shingles overlays and is attached to the first side lap of a second one of the plurality of roofing shingles, and wherein a seam is located between the head lap of the first one of the plurality of roofing shingles and the head lap of the second one of the plurality of roofing shingles, and wherein a longitudinal axis of each of the plurality of grooves does not intersect the seam. 